﻿using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace ValidityCheck
{
    /// <summary>
    /// Check 的摘要说明
    /// 提供合法性检查模块
    /// 作者 cuiqiang 
    /// </summary>
    public class Check
    {
        public Check()
        {
        }
        public static bool IsNull(string CheckedString)
        {
            return CheckedString.Trim().Length.Equals(0);
        }
    }
}
